Home / 134,612.10-201,619.26-87,074.04

Finding the Fourth Proportional to 134,612.10, 201,619.26 and 87,074.04

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Solution

The fourth proportional to 134,612.10, 201,619.26 and 87,074.04 is: 130,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.10 : 201,619.26 = 87,074.04 : x
  2. Step 2: Convert to fraction form
    134,612.10/201,619.26 = 87,074.04/x
  3. Step 3: Cross multiply
    134,612.10x = 201,619.26 × 87,074.04
  4. Step 4: Simplify right side
    134,612.10x = 17,555,803,510.01
  5. Step 5: Solve for x
    x = 17,555,803,510.01/134,612.10
  6. Step 6: Final answer
    x = 130,417.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.